Printing apparatus and correction data generating method
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United States of America Patent
Stats
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Feb 23, 2010
Grant Date -
Oct 19, 2006
app pub date -
Apr 13, 2006
filing date -
Apr 15, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A printing apparatus for measuring proper density and generating correction data with high accuracy by eliminating influences of adjoining areas. A plurality of scanning coordinates SAx are set to a middle position in a primary scanning direction of each of pixel lines Q on a test chart. Scanning areas SA are set to positions where the scanning coordinates SAx intersect scanning coordinates SAy indicating numerous positions in a secondary scanning direction of the pixel lines Q. Density data of the scanning areas SA is averaged to generate correction data for updating a correction table.
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